Best Of
Re: Help! Pressure keeps rising on Weil McClain Eco 70 system
The only way cold pressure can build is water getting in from a higher pressure source. If there is no domestic hot water coil or indirect hot water heater — it' the fill valve.
Re: Combining supply lines to manifolds?
If you total max flow is 5.5gpm use 1" with a tee for both manifolds
3/4 is good for 4 gpm
1" is good for 8gpm
Re: Ever seen one of these??
was there like a drying shelf on the bottom? looks like there are lugs to hold a shelf on the bottom.
mattmia2
Re: New refrigerants Epa 608
Unofficial, i hear 134a works well in r290 equipment.
Way different pressures temperatures.
pecmsg
Re: Support steam pipe with split ring hangers
if the threaded rod is long it will work.
if the split ring is over the insulation it will work.
pecmsg
Re: Magnesium anode vs Electric anode vs No anode
I did use so-called black steel pipes (honestly I don't know why they call them that…they are just steel as far as I can tell)…what kind should I have used?
I have heard people say that the glass lined tanks are really more of a baked on enamel that is prone to cracking.
My favorite tank I've ever seen is the Rheem Marathon (plastic)—I wish they offered that as a heat pump unit.
Re: Summer shut down and 8 way treatment
ASME Code (I know it doesn't apply to residential) used to talk about "wet lay up" and 'dry lay up"